106939 has 4 divisors (see below), whose sum is σ = 122224. Its totient is φ = 91656.

The previous prime is 106937. The next prime is 106949. The reversal of 106939 is 939601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939601 = 13 ⋅72277.

It is a cyclic number.

It is not a de Polignac number, because 106939 - 2¹ = 106937 is a prime.

It is a super-2 number, since 2×106939² = 22871899442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7632 + ... + 7645.

It is an arithmetic number, because the mean of its divisors is an integer number (30556).

2¹⁰⁶⁹³⁹ is an apocalyptic number.

106939 is a deficient number, since it is larger than the sum of its proper divisors (15285).

106939 is an equidigital number, since it uses as much as digits as its factorization.

106939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 106939 is about 327.0152901624. The cubic root of 106939 is about 47.4655706185.

The spelling of 106939 in words is "one hundred six thousand, nine hundred thirty-nine".